Do leg extensions with 40° hip flexion cause more quadriceps hypertrophy than 90° hip flexion in untrained young men?

We analyzed one assertion on this question and found that in untrained young men, performing leg extensions with the hip bent at 40 degrees led to greater growth in both the upper and lower parts of the rectus femoris muscle compared to 90 degrees of hip flexion over 10 weeks [1]. The vastus...